Measurement of the KL–KS mass difference using semileptonic decays of tagged neutral kaons

Adler, R.; Alhalel, T.; Angelopoulos, A.; Apostolakis, A.; Aslanides, E.; Backenstoss, G.; Bee, C. P.; Behnke, O.; Benelli, A.; Bennet, J.; Bertín, V.; Bienlein, J. K.; Blanc, F.; Bloch, P.; Bula, C.; Carlson, P.; Carroll, M.; Carvalho, J.; Cawley, E.; Charalambous, S.; Chardalas, M.; Chardin, G.; Chertok, M.; Cody, Ann Marie; Danielsson, Mats; Dedoussis, S.; Déjardin, M.; Derré, J.; Dodgson, M.; Duclos, J.; Ealet, A.; Eckart, B.; Eleftheriadis, C.; Evangelou, I.; Faravel, L.; Fassnacht, P.; Faure, J. L.; Felder, C.; Ferreira‐Marques, R.; Fetscher, W.; Fidecaro, M.; Filipčić, A.; Francis, D.; Fry, J. R.; Fuglesang, C.; Gabathuler, E.; Gamet, R.; Garreta, D.; Geralis, T.; Gerber, H.‐J.; Go, A.; Gumplinger, P.; Guyot, C.; Harrison, P. F.; Haselden, A.; Hayman, P.; Henry‐Couannier, F.; Heyes, W.G.; Hollander, R.W.; Hubert, E.; Jansson, Kjell; Johner, H.U.; Jon‐And, K.; Kettle, P.R.; Kochowski, C.; Kokkas, P.; Kreuger, R.; Lawry, T.; Gac, R. Le; Leimgruber, F.; Liolios, A.; Machado, E.; Maley, P.; Mandić, I.; Manthos, N.; Marel, G.; Mikuž, M.; Miller, J.; Montanet, F.; Nakada, T.; Onofre, A.; Pagels, B.; Papadopoulos, I.; Pavlopoulos, P.; Pelucchi, F.; Cunha, J. Pinto da; Policarpo, A.; Polivka, G.; Postma, H.; Rickenbach, R.; Roberts, B. L.; Rozaki, E.; Ruf, T.; Sacks, L.; Sakeliou, L.; Sanders, P.; Santoni, C.; Sarigiannis, K.; Schäfer, M.; Schaller, L.A.; Schietinger, T.; Schopper, A.; Schune, Ph.; Soares, A.; Tauscher, L.; Thibault, C.; Touchard, F.; Touramanis, C.; Triantis, F. A.; Tröster, D.; Beveren, Eef van; Eijk, C.W.E. van; Varner, G.; Vlachos, S.; Weber, Peter M.; Wigger, O.; Witzig, C.; Wolter, M. W.; Yèche, Ch; Zavrtanik, D.; Zimmerman, D.

doi:10.1016/s0370-2693(98)01355-0

Cited by 35 publications

(12 citation statements)

References 4 publications

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“…[15])-has been crucial in order to derive Eq. (8). This equality can then be viewed as a modern and quantitative statement of Bohr's complementatity principle for pure states like (2).…”

Section: Quantitative Dualitymentioning

confidence: 97%

“…Pure states of neutral kaons have been copiously prepared at CPLEAR [7][8][9] using proton-antiproton annihilations at rest,…”

Section: Neutral Kaon Systemmentioning

confidence: 99%

“…[3][4][5]-, which was originally proposed by Greenberger and Yasin [6], can be clearly illustrated using the K 0 -K 0 system. Secondly, this will then allow us to interpret two CPLEAR experiments on neutral kaons performed at CERN [7][8][9] as quantitative and elegant tests of duality and Bohr's complementarity in a new arena, which we would like to refer as "neutral kaon interferometry".…”

Section: Introductionmentioning

confidence: 99%

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Quantitative duality and neutral kaon interferometry

2003

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“…[15])-has been crucial in order to derive Eq. (8). This equality can then be viewed as a modern and quantitative statement of Bohr's complementatity principle for pure states like (2).…”

Section: Quantitative Dualitymentioning

confidence: 97%

“…Pure states of neutral kaons have been copiously prepared at CPLEAR [7][8][9] using proton-antiproton annihilations at rest,…”

Section: Neutral Kaon Systemmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Quantitative duality and neutral kaon interferometry

2003

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“…Much of the information is contained in the time dependent parts f (t, Im(x + ), Re(x − ), Re(δ), Im(δ)) and g(t, Re(x − ), Im(x + )), and in the decays to eπν . CPLEAR has found [34], [45], [105], [106] Re(x − ) = (−0.5 ± 3.0 stat ± 0.3 syst ) × 10 −3 ,…”

Section: Symmetry In the Semileptonic Decay Process (∆S = ∆Q Rule)mentioning

confidence: 99%

“…Data from Ref. [105,106]. The pp annihilation, pp → K 0 + K + + π − in the H 2 target, produces the (invisible) K 0 , which propagates towards the Carbon absorber, where it creates a (invisible) Λ particle, whose decay products p and π − from Λ → p + π − are detected.…”

Section: Neutral Kaons and Optical Interferencementioning

confidence: 99%

The fundamental symmetries in the neutral kaon system—a pedagogical choice

Fidecaro

Gerber²

2006

Rep. Prog. Phys.

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During the recent years experiments with neutral kaons have yielded remarkably sensitive results which are pertinent to such fundamental phenomena as CPT invariance (protecting causality), time-reversal invariance violation, coherence of wave functions, and entanglement of kaons in pair states. We describe the phenomenological developments and the theoretical conclusions drawn from the experimental material. An outlook to future experimentation is indicated.

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Symmetry Violations and Quark Flavour Physics

Kleinknecht

Uwer

2020

Particle Physics Reference Library

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One of the surprising facts in our present understanding of the development of the Universe is the complete absence of "primordial" antimatter from the Big Bang about 13.7 billion years ago. The detection of charged cosmic-ray particles by magnetic spectrometers borne by balloons, satellites, and the space shuttle has shown no evidence for such primordial (high-energy) antibaryons; nor has the search for gamma rays from antimatter-matter annihilation yielded any such observation. In the early phases of the expanding Universe, a hot (10 32 K) and dense plasma of quarks, antiquarks, leptons, antileptons and photons coexisted in equilibrium. This plasma expanded and cooled down, and matter and antimatter could recombine and annihilate into photons. If all interactions were symmetric with respect to matter and antimatter, and if baryon and lepton numbers were conserved, then all particles would finally convert to photons, and the expansion of the Universe would shift the wavelength of these photons to the far infrared region. This cosmic microwave background radiation was indeed observed by Penzias and Wilson in 1965 [1], and its wavelength distribution corresponds exactly to Planck black-body radiation at a temperature of 2.73 K (see Fig. 9.1). The density of this radiation is about 5 × 10 2 photons/cm 3 .

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Measurement of the KL–KS mass difference using semileptonic decays of tagged neutral kaons

Abstract: We present a new measurement of the K L -K S mass difference (m) using semileptonic decays of neutral kaons. The measurement yields m = ( 0 : 5274 0:0029 stat: 0:0005 syst: ) 10 10 h=s.

Cited by 35 publications

References 4 publications

Quantitative duality and neutral kaon interferometry

Quantitative duality and neutral kaon interferometry

The fundamental symmetries in the neutral kaon system—a pedagogical choice

Symmetry Violations and Quark Flavour Physics

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